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Options Connection screen
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<h1>Options Connection screen</h1>
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The Options Connection screen allows you to configure the ZAP connection options:

<h3>Timeout in seconds</h3>
This makes is easier to test slow applications.

<h3>Default User Agent</h3>
The user agent that ZAP should use when creating HTTP messages (for example, spider messages or CONNECT requests to outgoing
proxy).

<h3>Single Cookie Request Header</h3>
Controls whether the ZAP's managed cookies (<a href="../../tlmenu/edit.html">Session Tracking aktivieren (Cookie)</a>) should be set
on a single "Cookie" request header or multiple "Cookie" request headers, when sending an HTTP request to the server.

<h3>DNS</h3>
<h4>TTL Successful Queries</h4>
Defines for how long the successful DNS queries should be cached:<ul>
<li>Negative number, cache forever;</li>
<li>Zero, disables caching;</li>
<li>Positive number, the number of seconds the queries will be cached.</li></ul>
<strong>Note:</strong> Changes are applied after a restart.<p>
The option can also be set using the <code>-config</code> command line argument with the key <code>connection.dnsTtlSuccessfulQueries</code>.

<h3>Security Protocols</h3>
Allows to choose the SSL/TLS versions enabled for outgoing connections (for example, to servers). At least
one version must be enabled, versions unsupported by the JRE will be unselected and disabled.
<br>The option SSLv2Hello must be selected in conjunction with at least one SSL/TLS version.

<h3>Use Proxy chain</h3>
This section allows you to connect to another proxy for outgoing connections.<br/>
This is often required in a corporate environment.

<h3>Proxy authentication</h3>
This section allows you to configure the outgoing proxy authentication. 

<h2>See also</h2>
<table>
<tr><td>&nbsp;&nbsp;&nbsp;&nbsp;</td><td>
<a href="../../overview.html">UI Overview</a></td><td>for an overview of the user interface</td></tr>
<tr><td>&nbsp;&nbsp;&nbsp;&nbsp;</td><td>
<a href="options.html">Options dialogs</a></td><td>for details of the other Options dialog screens</td></tr>
<tr><td>&nbsp;&nbsp;&nbsp;&nbsp;</td><td>
<a href="../../../cmdline.html">Command Line</a></td><td>for details of the Command Line</td></tr>
</table>

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